import {getRouters} from "@/api/system/menuApi";
import Layout from '@/layout/admin/index.vue'
import defaultRouts from "@/router/defaultRouts";
const useRouteStore = defineStore(
    'router-menu',
    {
        state : ()=>({
            routes:[],
            sidebarRouters:[],
            defaultRoutes: [],
            breadMenuList: [],
        }),
        actions:{
            generateRoutes() {
                return new Promise(resolve => {
                    // 向后端请求路由数据
                    getRouters().then(res => {
                        const sdata = JSON.parse(JSON.stringify(res.data))
                        const rdata = JSON.parse(JSON.stringify(res.data))
                        const sidebarRoutes = filterAsyncRouter(sdata)
                        const rewriteRoutes = filterAsyncRouter(rdata, false, true)
                        this.setRoutes(rewriteRoutes)
                        this.setSidebarRouters(sidebarRoutes)
                        this.setDefaultRoutes(sidebarRoutes)
                        resolve(rewriteRoutes)
                    })
                })
            },
            setRoutes(routes) {
                this.routes = defaultRouts.concat(routes)
            },
            setSidebarRouters(routes) {
                this.sidebarRouters =  defaultRouts.concat(routes)
            },
            setDefaultRoutes(routes) {
                this.defaultRoutes = routes
            },
        }
    }
)

// 遍历后台传来的路由字符串，转换为组件对象
function filterAsyncRouter(asyncRouterMap, lastRouter = false, type = false) {
    return asyncRouterMap.filter(route => {
        if (type && route.children) {
            route.children = filterChildren(route.children)
        }
        if (route.component) {
            // Layout ParentView 组件特殊处理
            if (route.component === 'Layout') {
                route.component = Layout
            } else {
                route.component = loadView(route.component)
            }
        }
        if (route.children != null && route.children && route.children.length) {
            route.children = filterAsyncRouter(route.children, route, type)
        } else {
            delete route['children']
            delete route['redirect']
        }
        return true
    })
}

function filterChildren(childrenMap, lastRouter = false) {
    var children = []
    childrenMap.forEach((el, index) => {
        if (el.children && el.children.length) {
            if (el.component === 'ParentView' && !lastRouter) {
                el.children.forEach(c => {
                    c.path = el.path + '/' + c.path
                    if (c.children && c.children.length) {
                        children = children.concat(filterChildren(c.children, c))
                        return
                    }
                    children.push(c)
                })
                return
            }
        }
        if (lastRouter) {
            el.path = lastRouter.path + '/' + el.path
        }
        children = children.concat(el)
    })
    return children
}

// 动态路由遍历，验证是否具备权限
// export function filterDynamicRoutes(routes) {
//     const res = []
//     routes.forEach(route => {
//         if (route.permissions) {
//             if (auth.hasPermiOr(route.permissions)) {
//                 res.push(route)
//             }
//         } else if (route.roles) {
//             if (auth.hasRoleOr(route.roles)) {
//                 res.push(route)
//             }
//         }
//     })
//     return res
// }
const modules = import.meta.glob('@/views/**/index.vue')
export const loadView = (view) => {
    let res;
    for (const path in modules) {
        const dir = path.split('views')[1].split('/index.vue')[0];
        if (dir === view) {
            res = () => modules[path]();
        }
    }
    return res;
}
export default useRouteStore;